3906715
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 3906715, is a component manufactured by Cummins, a respected name in the automotive industry. This screw is significant in the realm of commercial truck maintenance due to its robust design and reliable performance. Cummins ensures that this screw meets the demanding requirements of heavy-duty applications ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material. In the context of truck components, this screw is used to secure various parts, ensuring they remain firmly in place under operational stress ².

Purpose and Role in Truck Operation

The 3906715 Hexagon Flange Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is commonly applied in areas where secure fastening is required to maintain structural integrity and performance. This includes attaching brackets, panels, and other components that are subject to vibration and stress. The screw’s design helps in distributing loads evenly, which is vital for the longevity and safety of the truck ³.

Key Features

The 3906715 Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality and durability. Its hexagonal head design allows for straightforward installation and removal using common tools. The flange characteristic provides added stability and load distribution. The material composition, typically a high-grade steel, ensures resistance to corrosion and wear. Additionally, the screw may feature unique attributes such as a zinc-plated finish for enhanced corrosion resistance or a torque-indicating feature for precise installation.

Benefits

Using the 3906715 Hexagon Flange Head Cap Screw offers several benefits. It provides improved fastening security due to its design, which resists loosening from vibration—a common issue in heavy-duty applications. The ease of installation and removal simplifies maintenance procedures. Furthermore, its durability ensures longevity even in harsh operating conditions, reducing the need for frequent replacements.

Troubleshooting and Maintenance

Common issues with the 3906715 Hexagon Flange Head Cap Screw may include signs of wear, corrosion, or failure due to over-torquing. Regular maintenance practices such as periodic inspection for signs of damage, ensuring proper torque during installation, and protecting the screw from corrosive environments can help maintain optimal performance and longevity. If corrosion is detected, cleaning and reapplying a protective coating may be necessary.

Installation Guidelines

Proper installation of the 3906715 Hexagon Flange Head Cap Screw involves several steps to ensure it functions correctly and durably. Begin by cleaning the installation area to remove any debris or corrosion. Use the appropriate tool to drive the screw into place, ensuring it is perpendicular to the surface. Apply the specified torque to secure the screw without over-tightening, which can lead to damage. Recommended tools include a torque wrench for precise application and a socket wrench for driving the screw.

Cummins Overview

Cummins Inc. is a leader in the automotive industry, with a history of innovation and quality component production. The company is renowned for its commitment to excellence, producing reliable and high-performance parts for commercial vehicles. Cummins’ reputation is built on its ability to deliver components that meet the rigorous demands of heavy-duty applications, ensuring safety, efficiency, and durability in operation.

Cummins Engine Compatibility with Hexagon Flange Head Cap Screw Part 3906715

The Cummins part 3906715, a Hexagon Flange Head Cap Screw, is designed to fit seamlessly with a variety of Cummins engines. This part is integral in securing various components within the engine assembly, ensuring structural integrity and operational efficiency.

15N CM2380 M104B

The 15N CM2380 M104B engine benefits from the precision and reliability of the 3906715 screw in its assembly, particularly in securing critical engine components.

6B5.9, 6C8.3, C8.3 G, G8.3

These engines, including the 6B5.9, 6C8.3, C8.3 G, and G8.3, utilize the 3906715 screw in their assembly for securing various parts, ensuring that the engine operates smoothly and efficiently.

C GAS PLUS CM556, ISB (Chrysler), ISB CM850, ISB/ISD4.5 CM2150 B119, ISBE4 CM850

The C GAS PLUS CM556, ISB (Chrysler), ISB CM850, ISB/ISD4.5 CM2150 B119, and ISBE4 CM850 engines all incorporate the 3906715 screw in their design. This screw is crucial for maintaining the structural integrity of these engines, ensuring they perform optimally under various conditions.

L8.9G CMOH2.0 L125B

The L8.9G CMOH2.0 L125B engine also relies on the 3906715 screw for its assembly. This part is essential in securing various components, contributing to the engine’s overall durability and performance.

X12 CM2350 X119B, X12 CM2670 X121B, Z14 CM2670 Z103B

The X12 CM2350 X119B, X12 CM2670 X121B, and Z14 CM2670 Z103B engines are designed to use the 3906715 screw. This screw plays a vital role in the assembly of these engines, ensuring that all parts are securely fastened and the engine operates efficiently.

Role of Part 3906715 Hexagon Flange Head Cap Screw in Engine Systems

The Hexagon Flange Head Cap Screw (part 3906715) is integral to the secure assembly and operation of various engine components. Its robust design ensures reliable fastening in high-stress environments, contributing to the overall efficiency and safety of the engine system.

Connection Points

At connection points throughout the engine, the Hexagon Flange Head Cap Screw is used to fasten components securely. This includes connections at the exhaust outlet where it ensures a tight seal to prevent leaks and maintain efficient exhaust flow. Similarly, at the water inlet and water outlet connections, it plays a role in securing the plumbing to prevent coolant leaks, which is essential for maintaining optimal engine temperature.

Cooler and Filter Assemblies

In the engine oil cooler and lubricating oil filter head, the screw is employed to hold these components in place. This ensures that the oil filtration and cooling processes are effective, contributing to the longevity and performance of the engine.

Housing and Thermostat

Within the housing of various engine components, such as the thermostat, the Hexagon Flange Head Cap Screw provides the necessary tension to keep the housing intact. This is particularly important in the thermostat housing, where precise temperature control is required for engine efficiency.

Engine Control and Sensor Mounting

The screw is also vital in the mounting of the engine control module (ECM) and various sensors, such as the speed sensor. Secure fastening ensures that these electronic components remain in place and function correctly, providing accurate data for the engine control system.

Fuel System Components

In the fuel system, the Hexagon Flange Head Cap Screw is used in the coupling of the fuel pump and the auxiliary pump. This ensures a stable and reliable fuel supply to the engine, which is essential for consistent performance.

Ignition System

Finally, in the ignition system, the screw is used to secure components, ensuring that the ignition process is reliable and efficient. This contributes to the overall smooth operation of the engine.

Conclusion

Overall, the Hexagon Flange Head Cap Screw (part 3906715) is a fundamental component in the assembly and secure operation of various engine systems, enhancing both performance and reliability.